Update cmake-sdl3.yml

Author: JunaMeinhold

.github/workflows/cmake-sdl3.yml

@@ -8,7 +8,7 @@ env:
   repo-tag: release-3.2.12
   repo-path: SDL
 
-  cmake-flags: "-DSDL_STATIC=OFF -DSDL_SHARED=ON"
+  cmake-flags: "-DCMAKE_BUILD_TYPE=Release -DSDL_STATIC=OFF -DSDL_SHARED=ON"
 
   ndk-version: 26.3.11579264
   android-api: 21